Alien Planet - IFILM Exclusive clip: Battle

A scout ship from Earth, named Leo, confronts an alien creature with "bioluminescent antlers." What happens when we find life outside our own planet? Discovery Channel brings viewers on a virtual mission of the future. Right now, the search for planets with "life signatures" goes on. These efforts are global, and experts tell us on camera how this search for life is progressing around the world. No longer just the domain of science fiction, what could alien life really look like? Alien Planet dramatizes an exciting and possible answer.